Barometric Pressure
Barometric Pressure in Jamestown, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Jamestown, Rhode Island, United States is predicted falling over the next 24 hours, with an average pressure of today, which is considered normal.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Jamestown - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
The daily total fluctuation in pressure in Jamestown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Jamestown hour by hour and stay informed about how it will change over the next 6 hours.
Jamestown has coastal weather with changing air pressure. Low-pressure systems bring storms, while high-pressure systems bring calm weather. Air pressure drops as storms approach from the ocean. The island's geography causes varying air pressure, with lower pressure near the coast. In winter, high pressure brings cold and calm, while low pressure brings storms. In summer, low pressure brings warm and humid weather, with possible thunderstorms. Jamestown has a humid continental climate with maritime influences, causing pressure changes. Seasonal changes cause pressure shifts, affecting weather. Low pressure dominates spring and summer, while high pressure dominates fall and winter.